HP dv4-2045dx manual Device driver must be reinstalled

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A device driver must be reinstalled

1.Remove any discs from the optical drive.

2.Select Start > Control Panel > System and Security. Then in the System area, click Device Manager.

3.In the Device Manager window, click the arrow next to the type of driver you want to uninstall and then reinstall (for example, DVD/CD-ROMs, Modems, and so on).

4.Right-click the device listing and click Uninstall. When prompted, confirm that you want to delete the device, but do not restart the computer. Repeat for any other drivers you want to delete.

5.In the Device Manager window, click Action, and then click Scan for hardware changes. Windows scans your system for installed hardware and installs default drivers for any devices requiring drivers.

NOTE: If you are prompted to restart the computer, save all open files, and then continue with the restart.

6.Reopen Device Manager, if necessary, and then verify that the drivers are once again listed.

7.Try running your program again.

If uninstalling and reinstalling the device drivers does not correct the problem, you may need to update your drivers using the procedures in the following sections.

28 Chapter 7 Troubleshooting

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Contents Multimedia Product notice Table of contents Troubleshooting Multimedia features Identifying your multimedia components Component DescriptionUsing the MediaSmart button select models only Adjusting the volume Using the media activity hotkeys Using HP MediaSmart software Multimedia softwareUsing other preinstalled multimedia software Installing multimedia software from a discAudio Connecting external audio devices Checking your audio functionsConnecting an external monitor or projector VideoConnecting an Hdmi device Configuring audio for Hdmi Watching TV select models onlyPage Identifying the installed optical drive Optical driveUsing optical discs DVD±RW/RSelecting the right disc CD-R discsLightScribe DVD+R discs Playing music Watching a movie Changing DVD region settings Creating or burning a CD or DVD Removing an optical disc CD or DVD Webcam Troubleshooting Optical disc tray does not open for removal of a CD orComputer does not detect the optical drive Disc does not playDisc does not play automatically DVD movie stops, skips, or plays erraticallyDVD movie is not visible on an external display Device driver must be reinstalled Obtaining the latest HP device drivers Index DVD